vacuum valve

常见例句

The vacuum valve opens to admit air.
真空阀开启以补充空气。
It consists air blowing system, heating system, vacuum vehicle, vacuum pump, vacuum valve and alarm equipment.
本机组由风循环系统、加热系统、真空车、真空泵、真空阀等部件组成，并设有报警装置。
The utility model is provided with separate isolating valve, aeration valve, vacuum valve and thief rod mating the sampling cavity to keep the air in the furnace cavity and realize on-line sampling.
本实用新型设置了独立的隔离、充气、真空阀门以及与取样腔配套的取样杆，使取样过程中的炉腔内气氛不变，达到在线取样的目的。
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